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Cisco Bug: CSCuo34030 - 8831 - phone services

Last Modified

Apr 30, 2018

Products (35)

  • Cisco IP Phone 8800 Series
  • Cisco Unified IP Phone 9951
  • Cisco Unified IP Phone 7971G-GE
  • Cisco Unified Wireless IP Phone 7920
  • Cisco Unified IP Phone 7962G
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone Expansion Module 7914
  • Cisco Unified IP Phone 6961
  • Cisco Unified Wireless IP Phone 7925G
  • Cisco Unified IP Phone 6941
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Known Affected Releases

9.3(3)

Description (partial)

Symptom:
8831 phones.They configured external services on third party server to use hostname in the URL. Destination server should internally resolve the hostname and provide proper HTTP response. Events should happen in this order: Service list is requested via HTTP (can be from CUCM or third party server). 200OK is sent to IP Phone with a service in hostname format. Hostname is resolved through DNS and should then send the HTTP request with URI in hostname format. 

However, for this phone model only, we see that the phone reaches DNS to resolve the service hostname and then modify the service URI to use IP address instead of hostname.
This is causing problem to the CU as third party server expects to get hostname in service URI

Conditions:
CUCM version: 8.6.2.22900-9.
Phone model affected: 8831
Firmware: cmterm-8831-sip.9-3-3-5.cop.sgn 
Other IP phone models on the system that are not affected: 
7970, 7961, 7960, 7936, 7911, 7937, 7962, 7975, 8945, 8961, 9951.
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Bug Details Include

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